Home / 25,815.96-38,658.24-18,030.24

Finding the Fourth Proportional to 25,815.96, 38,658.24 and 18,030.24

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Solution

The fourth proportional to 25,815.96, 38,658.24 and 18,030.24 is: 26,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.96 : 38,658.24 = 18,030.24 : x
  2. Step 2: Convert to fraction form
    25,815.96/38,658.24 = 18,030.24/x
  3. Step 3: Cross multiply
    25,815.96x = 38,658.24 × 18,030.24
  4. Step 4: Simplify right side
    25,815.96x = 697,017,345.18
  5. Step 5: Solve for x
    x = 697,017,345.18/25,815.96
  6. Step 6: Final answer
    x = 26,999.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.